31 lines
976 B
C++
31 lines
976 B
C++
// Copyright 2020 The Pigweed Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy of
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// the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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#pragma once
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#include "pw_polyfill/standard_library/namespace.h"
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// Placement new
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inline void* operator new(decltype(sizeof(0)), void* ptr) { return ptr; }
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#define __cpp_lib_launder 201606L
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_PW_POLYFILL_BEGIN_NAMESPACE_STD
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template <typename T>
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[[nodiscard]] constexpr T* launder(T* pointer) noexcept {
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return __builtin_launder(pointer);
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}
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_PW_POLYFILL_END_NAMESPACE_STD
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